Portable gun rack



FIG. 1 is a bottom perspective view of a portable gun rack showing my new design;

FIG. 2 is a top perspective view thereof, the gun shown in broken lines is disclosed for illustrative purposes only and forms no part of the claimed design;

FIG. 3 is a side elevation view thereof, the opposite side being a mirror image of that shown; and,

FIG. 4 is a bottom perspective view thereof shown rotated about 180 degrees and in folded condition. 

The ornamental design for a portable gun rack, as shown and described. 